1.stainless steel pipe food grade 2.certification:ISO9001-2000,CE,API,GL 3.ASTM,ASME, ... ,BS,GB Commodites: 304 stainless seel pipe food grade OD: 6mm-612mm W.T:1mm-8mm Grade: TP201,TP202,TP304,TP304L,TP316,TP316L ... box or as customers request ASTM 304 stainless steel pipe food grade